LONDON (Reuters) – Investors managing more than $350 billion of assets have demanded that Microsoft publish more transparent tax and financial information, as tech giants face growing scrutiny globally over their tax affairs. A shareholder resolution on tax transparency had been filed to Microsoft ahead of its annual investor meeting this year, said the organiser of the action, Britain-based proxy advisers Pensions & Investment Research Consultants (PIRC). Investors including Nordea, AkademikerPension and Greater Manchester Pension Fund had backed the resolution, PIRC said. The resolution call…